Singular second person of the perfect past of the verb to count. Or it may be a mistake by contrast, or you sang (sing), or count, or. . .
It is an inflection of count. It means telling, calculate, enumerate, relate, review, refer, explain.
CONTRAST, and not you told, degree of differentiation between two areas of different color. While they are more distance, the greater the contrast, Temple which occurs between the white and black